Add new extension for NumberFormatter to convert between a number and a string with locale taken into consideration

Author: itsmeichigo

WooCommerce/Classes/Extensions/NumberFormatter+Localized.swift

@@ -0,0 +1,26 @@
+import Foundation
+
+extension NumberFormatter {
+    /// Get a double from a string value, with locale taken into consideration.
+    ///
+    static func double(from string: String, locale: Locale = .current) -> Double? {
+        let formatter = NumberFormatter()
+        formatter.locale = locale
+        let number = formatter.number(from: string)
+        return number?.doubleValue
+    }
+
+    /// Get a string from a number with locale taken into consideration.
+    ///
+    static func localizedString(from number: NSNumber, locale: Locale = .current) -> String? {
+        let formatter = NumberFormatter()
+        formatter.locale = locale
+        formatter.usesGroupingSeparator = true
+        formatter.groupingSize = 3
+        formatter.formatterBehavior = .behavior10_4
+        formatter.numberStyle = .decimal
+        formatter.generatesDecimalNumbers = true
+        formatter.roundingMode = .halfUp
+        return formatter.string(from: number)
+    }
+}

WooCommerce/WooCommerce.xcodeproj/project.pbxproj

@@ -1293,6 +1293,7 @@
 		DE525499268C8B32007A5829 /* UIRefreshControl+Woo.swift in Sources */ = {isa = PBXBuildFile; fileRef = DE525498268C8B32007A5829 /* UIRefreshControl+Woo.swift */; };
 		DE67D46726B98FD000EFE8DB /* Publisher+WithLatestFrom.swift in Sources */ = {isa = PBXBuildFile; fileRef = DE67D46626B98FD000EFE8DB /* Publisher+WithLatestFrom.swift */; };
 		DE67D46926BAA82600EFE8DB /* Publisher+WithLatestFromTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = DE67D46826BAA82600EFE8DB /* Publisher+WithLatestFromTests.swift */; };
+		DE7842ED26F061650030C792 /* NumberFormatter+Localized.swift in Sources */ = {isa = PBXBuildFile; fileRef = DE7842EC26F061650030C792 /* NumberFormatter+Localized.swift */; };
 		DE8C94662646990000C94823 /* PluginListViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = DE8C94652646990000C94823 /* PluginListViewController.swift */; };
 		DE8C946E264699B600C94823 /* PluginListViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = DE8C946D264699B600C94823 /* PluginListViewModel.swift */; };
 		DEC2961F26BD1605005A056B /* ShippingLabelCustomsFormListViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = DEC2961E26BD1605005A056B /* ShippingLabelCustomsFormListViewModel.swift */; };
@@ -2724,6 +2725,7 @@
 		DE525498268C8B32007A5829 /* UIRefreshControl+Woo.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "UIRefreshControl+Woo.swift"; sourceTree = "<group>"; };
 		DE67D46626B98FD000EFE8DB /* Publisher+WithLatestFrom.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Publisher+WithLatestFrom.swift"; sourceTree = "<group>"; };
 		DE67D46826BAA82600EFE8DB /* Publisher+WithLatestFromTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Publisher+WithLatestFromTests.swift"; sourceTree = "<group>"; };
+		DE7842EC26F061650030C792 /* NumberFormatter+Localized.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "NumberFormatter+Localized.swift"; sourceTree = "<group>"; };
 		DE8C94652646990000C94823 /* PluginListViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PluginListViewController.swift; sourceTree = "<group>"; };
 		DE8C946D264699B600C94823 /* PluginListViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PluginListViewModel.swift; sourceTree = "<group>"; };
 		DEC2961E26BD1605005A056B /* ShippingLabelCustomsFormListViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ShippingLabelCustomsFormListViewModel.swift; sourceTree = "<group>"; };
@@ -5727,6 +5729,7 @@
 				DE4B3B5726A7041800EEF2D8 /* EdgeInsets+Woo.swift */,
 				DE67D46626B98FD000EFE8DB /* Publisher+WithLatestFrom.swift */,
 				DEC2962626C17AD8005A056B /* ShippingLabelCustomsForm+Localization.swift */,
+				DE7842EC26F061650030C792 /* NumberFormatter+Localized.swift */,
 			);
 			path = Extensions;
 			sourceTree = "<group>";
@@ -7498,6 +7501,7 @@
 				CE35F11B2343F3B1007B2A6B /* TwoColumnHeadlineFootnoteTableViewCell.swift in Sources */,
 				D8C251DB230D288A00F49782 /* PushNotesManager.swift in Sources */,
 				0279F0DA252DB4BE0098D7DE /* ProductVariationDetailsFactory.swift in Sources */,
+				DE7842ED26F061650030C792 /* NumberFormatter+Localized.swift in Sources */,
 				748D34E12148291E00E21A2F /* TopPerformerDataViewController.swift in Sources */,
 				02C887712450285100E4470F /* BottomButtonContainerView.swift in Sources */,
 				0235BFD9246E959500778909 /* ProductFormActionsFactory.swift in Sources */,